Spec Tech Industrial

Back___________________Next__________________Home

Buy Your Industrial Control Products Here!

Gemco Part Description Page 11

Part
Number
Product
Category
Description
2000-176B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Ratio Gear Ratio, the cam block rotates once every 20 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1/8th 
Maximum switch setting @ 19 & 1/4 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS)
2000-177B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Ratio Gear Ratio, the cam block rotates once every 30 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1/4 
Maximum switch setting @ 28 & 1/2 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS)
2000-17B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Ratio Gear Ratio, the cam block rotates once every 5 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/16th 
Maximum switch setting @ 4 & 1/2 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(6LBS)
2000-180B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Ratio Gear Ratio, the cam block rotates once every 60 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1/2 
Maximum switch setting @ 57 & 1/2 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS)
2000-181B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
80 to 1 Ratio Gear Ratio, the cam block rotates once every 80 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1/2 
Maximum switch setting @ 76 & 3/4 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS)
2000-182B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
100 to 1 Ratio Gear Ratio, the cam block rotates once every 100 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1 & 1/2 
Maximum switch setting @ 96 & 1/4 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS)
2000-183B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 250 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches, NEMA 12 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance (3LBS)
2000-185B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 1000 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches, NEMA 1 & 12 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance. 3 LBS Gross
2000-1872 Brake Parts Ametek Gemco Rotary Limit Switch 
Like 2000-818 Spur Gear Type for Ultra Sensitive Control of Small Increments of Motion 
4, Special Cams with 54 Degrees of Dwell  
4 Independent Circuits / Cams / Switches 
S.P.D.T. Snap Action U.L. Listed Switches # 04537004 
Basic Switch Data see Table 2 Symbol C on Page 13 
NEMA 12 Rated Die Cast Enclosure with Fibralloy Cover 
2 to 1 Input Shaft Ratio, Every Two Turns of the Main Shaft the Cam Block Rotates Once 
1/2 Inch Diameter Main Shaft which Extends 1 & 1/2 Inch from the Enclosure 
Includes Woodruff Keyway & a #404 Woodruff Key 
3/4 -14 N.P.T. Electrical Entrance 
(4LBS) 1/8
2000-1899 Brake Parts Ametek Gemco Rotary Limit Switch. Spur Gear Type. 3 Circuits / Cams / Switches. S.P.D.T. Switches with a NEMA 1 Enclosure. Special 54 degree Cams.
2000-189B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
10 to 1 Ratio Gear Ratio, the cam block rotates once every 10 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Enclosure, Watertight 
Turns required to reset switch 1/16th 
Maximum switch setting @ 9 & 1/2 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS)
2000-18B Brake Parts Ametek Gemco Rotary Limit Switch. Worm Gear Type, Two Independent Circuits / Switches / Cams. 20 to 1 Gear Ratio. UL Listed S.P.D.T. Precision Snap Action Switches. NEMA 7 & 9 Rated Die Cast Aluminum Enclosure for Hazardous Locations, designed to meet the NEC Code for Class 1, Group D, and Class 2, Groups E, F & G Locations. Maximum Speed 1000 RPM. Maximum setting at 18 Input shaft Turns. 1/8 Turn to Reset (6LBS)
2000-190B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Ratio Gear Ratio, the cam block rotates once every 20 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Enclosure, Watertight 
Turns required to reset switch 1/8th 
Maximum switch setting @ 19 & 1/4 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS)
2000-191B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 30 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches, NEMA 4 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance.
2000-194B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 60 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches - 04537004,, NEMA 4 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance
2000-195B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 80 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches - 04537004,, NEMA 4 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance
2000-196B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 100 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches - 04537004, NEMA 4 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance
2000-197B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
250 to 1 Ratio Gear Ratio, the cam block rotates once every 250 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
Turns required to reset switch 2 
Maximum switch setting @ 234 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(5LBS)
2000-198B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 500 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches, NEMA 4 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance
2000-199B Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 1000 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches, NEMA 4 Rated Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance (4LBS)
2000-19B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Ratio Gear Ratio, the cam block rotates once every 30 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D 
Turns required to reset switch 1/4 
Maximum switch setting @ 28 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(6LBS)
2000-1B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Ratio Gear Ratio, the cam block rotates once every 5 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537001 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/16th 
Maximum switch setting @ 4 & 1/2 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(3LBS)
2000-2003 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (SPDT) Single Throw Double Pole Switches. 15 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS)
2000-2004 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (SPDT) Single Throw Double Pole Switches. 20 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS)
2000-2005 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (SPDT) Single Throw Double Pole Switches. 30 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS)
2000-2006 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (DPDT) Double Pole Double Throw Switches. 5 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS) 
2000-2021 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 4 Independent Circuits / Cams / Switches. Precision Snap Acting (SPDT) Single Throw Double Pole Switches. 15 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (9LBS)
2000-2025 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (SPDT) Single Throw Double Pole Switches. 156.25 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (9LBS)
2000-2027 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (SPDT) Single Throw Double Pole Switches. 250 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS)
2000-2030 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (SPDT) Single Throw Double Pole Switches. 500 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS)
2000-2033 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (SPDT) Single Throw Double Pole Switches. 1000 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS)
2000-2046 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (DPDT) Double Throw Double Pole Switches. 625 to 1 Gear Ratio. NEMA 12 Enclosure. Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS)
2000-2048 Brake Parts Ametek Gemco Rotary Limit Switch. Heavy Duty Geared Rotary Limit Switch for demanding applications which require trouble free performance. 2 Independent Circuits / Cams / Switches. Precision Snap Acting (DPDT) Double Throw Double Pole Switches. 1000 to 1 Gear Ratio. NEMA 12 Enclosure Maximum speed 1800 RPM, Clock Wise or CCW Rotation. Steel & Bronze Gears. Designed to withstand Rapid Starting, Stopping, Shock & Vibration (8LBS)
2000-20B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
40 to 1 Ratio Gear Ratio, the cam block rotates once every 40 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D 
A NEMA 9 Rated Enclosure is available at the same cost to meet Groups E,F & G. Specify NEMA 7 or 9 when placing any orders 
Turns required to reset switch 1/4 
Maximum switch setting @ 37 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(6LBS)
2000-2106 Brake Parts Ametek Gemco Limit Switch. NEMA 4 Enclosure, 4 Circuit / Cams, 54 Degree Cams (special), S.P.D.T Switches. ( S0006800) Old Price
2000-2141 Brake Parts Ametek Gemco Limit Switch. 4 Circuit, NEMA 1, 5 to 1 Gear Ratio, Larger SPDT Switches, 2 Standard 25 Degree Cams, 2 Special 180 Degree Cams. Similar to the 2000-89B except for two special cams and larger micro switches Old price
2000-2143 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
5 to 1 Ratio Gear Ratio, the cam block rotates once every 5 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537001 
Special Non Standard Cams allow switch contacts to be opened for 54 or 306 Degrees. Other cam dwells are available 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/16th 
Maximum switch setting @ 4 & 1/2 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(3LBS) 1/8
2000-2148 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
2000 to 1 Ratio Gear Ratio, the cam block rotates once every 2000 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
3 Standard Cams allow switch contacts to be opened for 25 Degrees. 1 Special 75 Degree Cam 
NEMA 4 Rated Cast Aluminum Enclosure, Watertight 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(6LBS)
2000-2179 Brake Parts Ametek Gemco Limit Switch 
NEMA 4X Enclosure Bronze 
2 Circuit 
40 to 1 Gear Ratio 
Standard Dwell Cams
2000-2180 Brake Parts Ametek Gemco Limit Switch OBSOLETE Bronze housing is no longer available. See 2000-15B same configuration NEMA 4 Cast Iron Enclosure
2000-2184 Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 100 to 1 Ratio, 3 Independent Cams / Switches / Circuits. Single Pole Double Throw Switches, NEMA 4 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance This specially engineered unit has 1 Special Cam S68 at 54 Degrees per factory not S-84A which is 75 degrees. Also includes the physically larger micro-switches and a cover spacer to allow space for these larger switches (7LBS) Old price
2000-21B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
50 to 1 Ratio Gear Ratio, the cam block rotates once every 50 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 7 Rated Cast Aluminum Enclosure for Hazardous Locations. Designed to meet the requirements of NEC code for Class 1, Group D 
Turns required to reset switch 1/4 
Maximum switch setting @ 46 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(6LBS)
2000-2229 Brake Parts Ametek Gemco Rotary Limit Switch, Engineered Part # for Shepard Niles 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
300 to 1 Ratio Gear Ratio, the cam block rotates once every 300 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Special S-68-A Cams allow switch contacts to be opened for 54 or 306 Degrees, dependent on how the switches are wired 
NEMA 12 Rated Enclosure 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(3LBS) 1/8
2000-2235 Brake Parts Ametek Gemco Rotary Limit Switch, NEMA 1 Enclosure, 600 to 1 ratio, 2 Circuit with special S68 Cams
2000-2237 Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 1000 to 1 Gear Ratio, Qty. 2, Independent Cams / Circuits / Switches, S.P.D.T. Single Pole Double Throw Precision Snap Switches, NEMA 1 & 12 Enclosure, Special Cams # S-68-A @ 54 Degrees, Maximum Speed 1000 RPM Clock Wise or CCW. 1/2 Inch Diameter Input Shaft includes a # 404 Woodruff Key, 1/2 - 14 American Standard Pipe Thread Entrance (4LBS)
2000-2248 Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 10 to 1 Ratio, 2 Cam, Single Pole Double Throw Snap Action Switches 2, which are independently adjustable, NEMA 7, Hazardous Location,Cast Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance. Max 18 turns to set switch, 1/8 turn to reset switch, Max. Operating Temp 180 F., This unit has optional 54 Degree Cams (2LBS)
2000-2254 Brake Parts Ametek Gemco Geared Limit Switch built and sold exclusively by OEM Account. Altec Industries Inc. NEMA 1 , Rubber Gasket
2000-2262 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Ratio Gear Ratio, the cam block rotates once every 20 turns of the main shaft 
4 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Qty. 4, Non-Standard Cams, S0006900, which allow switch contacts to be opened for 90 or 270 Degrees 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1/8th 
Maximum switch setting @ 19 & 1/4 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(6LBS)
2000-23B Brake Parts Ametek Gemco Rotary Limit Switch. Worm Gear Type, Two Independent Circuits / Switches / Cams. 80 to 1 Gear Ratio. UL Listed S.P.D.T. Precision Snap Action Switches. NEMA 7 & 9 Rated Die Cast Aluminum Enclosure for Hazardous Locations, designed to meet the NEC Code for Class 1, Group D, and Class 2, Groups E, F & G Locations. Maximum Speed 1000 RPM. Maximum setting at 77 Input shaft Turns. 3/4 Turn to Reset (6LBS)
2000-2401 Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 100 to 1 Ratio, 3 Cam, Single Pole Double Throw Switches, NEMA 1 & 12 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance. 3 LBS Gross Special, includes 2, 54 degree cams & 1, 25 Degree cam. Periods for which Switch Contacts are Opened or Closed.
2000-2459 Brake Parts Ametek Gemco Geared Rotary Limit Switch (3LBS) Old Price
2000-2463 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Ratio Gear Ratio, the cam block rotates once every 20 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Non-Standard Cams S68A allow switch contacts to be opened for 54 or 306 Degrees. Other cam dwells are available 
NEMA 12 Enclosure 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(3LBS)
2000-2479 Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type with a 20 to 1 Gear Ratio. Qty. 2, Independent Cams / Circuits / Switches. U.L. Listed Precision Snap Acting Switches, S.P.D.T. Single Pole Double Throw which can be wired Normally Open or Normally Closed. Both Cams are part # S71A at 240 Degrees. NEMA 1 & 12 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance. (6LBS)
2000-2489 Brake Parts Ametek Gemco Limit Switch. Series 2000 Geared Rotary Limit Switch. 4 Independent Circuits / Cams / Switches. SPDT Switches. 2000 to 1 Gear Ratio. NEMA 4 Enclosure. 5K pot and 1 of the four cams is S-0008400, a 75 degree cam Old price
2000-2490 Brake Parts Ametek Gemco Geared Rotary Limit Switch. 4 Circuit / Cams. 2 Cams are Special 75 Degree Cams. 10 to 1 Gear Ratio with a NEMA 1 Enclosure (2LBS)
2000-24B Brake Parts Ametek Gemco Rotary Limit Switch. Worm Gear Type, Two Independent Circuits / Switches / Cams. 100 to 1 Gear Ratio. UL Listed S.P.D.T. Precision Snap Action Switches. NEMA 7 & 9 Rated Die Cast Aluminum Enclosure for Hazardous Locations, designed to meet the NEC Code for Class 1, Group D, and Class 2, Groups E, F & G Locations. Maximum Speed 1000 RPM. Maximum setting at 94 Input shaft Turns. 3/4 Turn to Reset (6LBS)
2000-2516 Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 600 to 1 Gear Ratio, Qty. 2, Independent Cam / Circuit / Switches, S.P.D.T. Single Pole Double Throw Switches, NEMA 4 Rated Watertight Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance 
S0008700 Cams 150 or 210 Degree (3LBS)
2000-2539 Brake Parts Ametek Gemco Geared Limit Switch. 6 Circuits / Cams / Switches. 250 Gear Ratio. NEMA 12 Enclosure. Single Pole Double Throw Switches (Licon) 25 Degree Cams Old price
2000-2564 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
60 to 1 Ratio Gear Ratio, the cam block rotates once every 60 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 4 Rated Cast Bronze Enclosure, Watertight 
Turns required to reset switch 1 & 1/2 
Maximum switch setting @ 58 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Stainless Steel Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(6LBS) 1/8
2000-2583 Brake Parts Ametek Gemco Rotary Limit Switch, Worm Gear Type, 20 to 1 Ratio, 3 Independent Cams / Switches / Circuits. Single Pole Double Throw Switches, NEMA 1 & 12 Enclosure, Maximum Speed 1000 RPM Clock Wise or CCW., 1/2 Inch Diameter Input Shaft, includes # 404 Woodruff Keyway, 1/2 -14 American Standard Pipe Thread Entrance. Special with all 90 Degree Cams S-69-A & Physically Larger Snap Switches (7LBS) Old price
2000-25B Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
20 to 1 Ratio Gear Ratio, the cam block rotates once every 20 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Double Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 8 Screw Terminals per switch 
Standard Cams allow switch contacts to be opened for 25 or 335 Degrees. Other cam dwells are available 
NEMA 1 & 12 Enclosure 
Turns required to reset switch 1/2 
Maximum switch setting @ 19 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(4LBS)
2000-2617 Brake Parts Ametek Gemco Geared Rotary Limit Switch. 5 Independent Circuits / Switches / Cams. SPDT Licon Switches, 5 to 1 Gear Ratio, NEMA 1 Enclosure (4LBS) 1/6
2000-2634A Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
1000 to 1 Ratio Gear Ratio, the cam block rotates once every 1000 turns of the main shaft 
2 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. Form "C" 3 Screw Terminals. The common is shared by both contacts 
2 Custom Engineered Cams with 130 Degrees of Dwell  
1st Non-Standard Cam S-71-A allows one switch contact to be opened for 240 or 120 Degrees  
2nd Non-Standard Cam S-86-A allows one switch contact to be opened for 135 or 225 Degrees  
NEMA 1 & 12 Enclosure 
Turns required to reset switch 29 
Maximum switch setting @ 920 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
(3LBS)
2000-2642 Brake Parts Ametek Gemco Rotary Limit Switch 
Series 2000 Worm Gear Type with Bronze Gears & Steel Cams 
30 to 1 Ratio Gear Ratio, the cam block rotates once every 30 turns of the main shaft 
3 Independently Adjustable Switches/ Circuits / Cams 
Single Pole Double Throw U.L. Listed Precision Snap Action Switches which can be wired for normally open or closed circuits. 4 Screw Terminals 04537004 
2 Special Cams with 30 degrees of dwell 
1 Cam S70 with 180 degrees of dwell 
NEMA 12 Rated Enclosure 
Turns required to reset switch 1/4 
Maximum switch setting @ 28 & 1/2 turns 
Up to 1000 RPM Clock Wise or CCW 
1/2 Inch Diameter Input Shaft Extends 1 & 1/2 Inch from the Enclosure, Includes a Woodruff Keyway & # 404 Key 
Maximum Operating Temperature 180 Degrees F 
1/2 -14 American Standard Pipe Thread Entrance 
Tall Cover  
(4LBS)
Updated on February 26, 2016 1:21 PM
203 Vest Avenue
Valley Park, MO 63088
Toll Free: (888) SPECTECH
Phone: (636) 537-0202
Fax: (636) 537-1405
E:mail: sales@spectechind.com